Fiiasa M2 Waterproof Fitness Smart Bracelet Heart Rate Monitor Black Fitness Band  (Black, Pack of 1)

Specification General Bluetooth Version: Bluetooth 4.0 IP rating: IP 67 Operating mode: Touch Screen Compatible OS: Android,IOS People: Female table,Male table Battery Battery Capacity: 70mAh Charging Time: About 60mins Special Features Functions: Measurement of heart rate,Pedometer,Sleep management,Time Dial and Band Shape of the dial: Rectangle Case material: Plastic Band material: Silicone Dial size: 0.42 inch Wearable length: 15.5-21 Dimensions and Weight Product weight: 0.0690 kg Package weight: 0.0700 kg Product size (L x W x H): 23.00 x 1.60 x 1.00 cm / 9.06 x 0.63 x 0.39 inches Package size (L x W x H): 8.00 x 8.00 x 2.00 cm / 3.15 x 3.15 x 0.79 inches Package Contents Package Contents: 1 x Smart Bracelet